Yvonne de Tréville (August 25, 1881 — January 25, 1954) was an American coloratura soprano, born Edyth Le Gierse.
Edyth Le Gierse was born in Galveston, Texas; her father was French-speaking, and her mother was from New Orleans, Louisiana.
[3] Over the following decade, she sang in Stockholm, St. Petersburg, Budapest, Nice, Berlin, Bucharest, Prague, Frankfurt, Cologne, Hanover, Cairo, and Brussels; she was noted for her strong language skills.
[5] In her later career she focused on concert singing, touring, arranging songs, and teaching voice in New York.
In 1925, she appeared in the world premiere of Charles Wakefield Cadman's opera The Garden of Mystery at Carnegie Hall.